We are best Manufacturers, Exporters & Stockists of Stainless Steel 317L Bolt/Nut in United States. Nascent Pipe & Tubes is one of the pioneer distFlangesutor and trader of Stainless Steel 317L Fasteners (Bolts / Nuts), which is produced in an electric arc furnace where carbon electrodes contact recycled stainless scrap and various alloys of chromium.
A current is passed through the electrode of Stainless Steel 317L Hex Head Bolts and the temperature increases to a point where the scrap and alloys melt. When specifying, Stainless Steel 317L Hex Head Nuts can be used but it is important to also list the specific Unified Numbering System (UNS) designation for the specific alloy, which identifies the specific chemistry that is desired. Within the ASTM standards and industry association and company literature, Stainless Steel 317L Square Bolts are identified by UNS number and, where one exists, the common name.
Stainless Steel 317L Bolt/Nut Manufacturers, Stainless Steel 317L Bolt/Nut Suppliers, Stainless Steel 317L Bolt/Nut Stockists, Stainless Steel 317L Bolt/Nut Exporters
Stainless Steel 317L Bolt/Nut Manufacturers in United States, Stainless Steel 317L Bolt/Nut Suppliers in United States, Stainless Steel 317L Bolt/Nut Stockists in United States, Stainless Steel 317L Bolt/Nut Exporters in United States
Stainless Steel 317L Square Nuts from the electric furnace is then transferred into an Argon Oxygen De – carburization vessel, where the carbon levels are reduced and the final alloy additions are made to achieve the exact chemistry. Stainless Steel 317L Eye Bolts receive a final annealing (a heat treatment that softens the structure) and pickling (an acid wash that removes the furnace scale from annealing and helps promote the passive surface film that naturally occurs).
Stainless Steel 317L Eye Nuts exhibit excellent corrosion resistance and molybdenum is added to some grades for additional resistance to chlorides. In Stainless Steel 317L U-Bolts, nitrogen maybe added to improve strength and corrosion resistance.
SS 317L Bolt/Nut Specifications
| Specifications |
ASTM A 193 ASME SA 193 |
| Standard |
DIN, ASTM, BS and all International Standards |
| Length |
3 mm to 200 mm |
| Size |
M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type |
Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
317L Stainless Steel Bolt/Nut Chemical Composition
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
| 317L |
min. |
– |
– |
– |
– |
– |
18.0 |
3.00 |
11.0 |
– |
| max. |
0.03 |
2.0 |
0.75 |
0.040 |
0.03 |
20.0 |
4.00 |
15.0 |
– |
Stainless Steel 317L Bolt/Nut Mechanical Properties
| Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
| Hardness Rockwell B (HR B) max |
Hardness Brinell (HB) max |
| 317L |
515 |
205 |
35 |
95 |
217 |
Stainless Steel 317L Bolt/Nut Physical Properties
| Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (m/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity(n.m) |
| 0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
| 317L |
8000 |
193 |
17.2 |
17.8 |
18.4 |
16.2 |
21.5 |
500 |
720 |
Equivalent Grades for 317L Stainless Steel Bolt/Nut
| Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
| BS |
En |
No |
Name |
| 317L |
S31703 |
- |
- |
1.4438 |
- |
- |
- |
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